@inproceedings{nie2020dc,
  title={DC-BERT: Decoupling Question and Document for Efficient Contextual Encoding},
  author={Nie, Ping and Zhang, Yuyu and Geng, Xiubo and Ramamurthy, Arun and Song, Le and Jiang, Daxin},
  booktitle={Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval},
  pages={1829--1832},
  year={2020}
}